mquetel
Well-Known Member
- First Name
- Mike
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- Apr 25, 2022
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- Location
- Oregon Outback
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- 2022 JT Rubicon diesel
Does anyone know the proper specs or can you share a link for purchasing appropriate sized t-slot nuts for the ALCC's extrusion profile? Thanks in advance!
I was able to locate some 8020 t-nuts that work in the ALCC camper rail extrusion. They are of the roll-in variety so they can be inserted anywhere in the slot without requiring access holes. If you have a need for a threaded insert vs a bolt, these will do the trick and should have more holding power than a thin hex nut. While these t-nuts are designed for 15, 30 or 40 series (M8 slots), they can be purchased threaded in 1/4-20, M6 and M8. Links below. I haven't been able to find a 3rd party equivalent so these definitely come with the 8020 tax.The dimensions I just pulled from my camper are base width 15mm, slot width 8mm, overall thickness 10mm (4mm lip, 6mm slot height), and no more than 11mm overall length to fit in the entry slots (since all the rails are closed with welded joints at the ends). I don't think an off-the-shelf T-slot nut with these dimensions exists? I think you'd be looking at fabricating some on a mill
I've only used thin hex nuts like this. If one thin hex nut isn't enough strength, you could make a bracket that can use 2-3-4 (exactly like the rear door hinges do). That's an option anyway. You do have to be careful with the length of the screw or bolt that goes into it - the slot depth is only 10mm.

8020 - 13092 - M6 roll-in T-Nut
8020 - 13094 - M8 roll-in T-Nut
8020 - 13096 - 1/4-20 roll-in T-Nut
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I love it. I have been saying that since those things first hit the marketplace. Excellent rant.